APG stocks the E70161, an AS568-161 black EPDM (EPR) 70 Shore A O-Ring measuring an inside diameter of 5.487 in (139.37 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 5.693 in (144.6 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.
EPDM (EPR) delivers outstanding weather, ozone and sunlight resistance, excellent hot water and steam resistance. It resists dilute acids and alkalis, ketones, and brake fluid. Rated temperature range runs from -65°F (-53.9°C) to 300°F (148.9°C) in continuous service. It is not the right choice where aromatic hydrocarbons or mineral oil-based lubricants are present.
Common environments for this compound include HVAC and refrigeration, brake and phosphate ester systems, and outdoor equipment.
Stocked as E70161 and sold individually. Unit weight is approximately 2.816 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Description -161 BLACK EPDM 70D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 5.487 inch (139.37 mm)
Actual Outside Diameter 5.693 inch (144.6 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity